<template>
    <div class="app-container">
        <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch"
                 label-width="68px">
            <el-form-item label="是否发布" prop="isPublish">
                <el-input
                        v-model="queryParams.isPublish"
                        placeholder="请输入是否发布"
                        clearable
                        @keyup.enter.native="handleQuery"
                />
            </el-form-item>
            <el-form-item label="消息主题" prop="subject">
                <el-input
                        v-model="queryParams.subject"
                        placeholder="请输入消息主题"
                        clearable
                        @keyup.enter.native="handleQuery"
                />
            </el-form-item>
            <el-form-item>
                <el-button type="primary" icon="Search" size="small" @click="handleQuery">搜索</el-button>
                <el-button icon="Refresh" size="small" @click="resetQuery">重置</el-button>
            </el-form-item>
        </el-form>

        <el-row :gutter="10" class="mb8">
            <el-col :span="1.5">
                <el-button
                        type="primary"
                        plain
                        icon="Plus"
                        size="small"
                        @click="handleAdd"
                        v-hasPermi="['market:message:add']"
                >新增
                </el-button>
            </el-col>
            <el-col :span="1.5">
                <el-button
                        type="success"
                        plain
                        icon="Edit"
                        size="small"
                        :disabled="single"
                        @click="handleUpdate"
                        v-hasPermi="['market:message:edit']"
                >修改
                </el-button>
            </el-col>
            <el-col :span="1.5">
                <el-button
                        type="danger"
                        plain
                        icon="Delete"
                        size="small"
                        :disabled="multiple"
                        @click="handleDelete"
                        v-hasPermi="['market:message:remove']"
                >删除
                </el-button>
            </el-col>
            <el-col :span="1.5">
                <el-button
                        type="warning"
                        plain
                        icon="Download"
                        size="small"
                        @click="handleExport"
                        v-hasPermi="['market:message:export']"
                >导出
                </el-button>
            </el-col>
            <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
        </el-row>

        <el-table v-loading="loading" :data="messageList" @selection-change="handleSelectionChange">
            <el-table-column type="selection" width="55" align="center"/>
            <el-table-column label="消息主题" align="left" prop="subject" width="200"/>
            <el-table-column label="消息内容" align="left" prop="content">
                <template #default="scope">
                    <span v-html="scope.row.content"></span>
                </template>
            </el-table-column>
            <el-table-column label="消息类型" align="left" prop="type" width="180">
                <template #default="scope">
                    <el-tag v-if="scope.row.type==0" type="success">给所有普通用户查看</el-tag>
                    <el-tag v-else-if="scope.row.type==1" type="info">给学校管理员看</el-tag>
                    <el-tag v-else-if="scope.row.type==2" type="warning">给系统管理员看</el-tag>
                    <el-tag v-else-if="scope.row.type==3" type="danger">给单独用户看</el-tag>
                </template>
            </el-table-column>
            <el-table-column label="是否发布" align="left" prop="isPublish" width="100">
                <template #default="scope">
                    <el-switch
                            v-model="scope.row.isPublish"
                            style="--el-switch-on-color: #13ce66; --el-switch-off-color: #ff4949"
                            @change="updatePublishStatus(scope.row)"
                    />
                </template>
            </el-table-column>
            <el-table-column label="发送者" align="left" prop="senderUsername" width="100"/>
            <el-table-column label="消息编辑者" align="left" prop="editorUsername" width="100"/>
            <el-table-column label="创建时间" align="left" prop="createTime" :formatter="createTimeFormatter"
                             width="150"/>
            <el-table-column label="更新时间" align="left" prop="updateTime" :formatter="updateTimeFormatter"
                             width="150"/>
            <el-table-column label="操作" align="center" class-name="small-padding fixed-width" width="200">
                <template #default="scope">
                    <el-button
                            size="small"
                            type="text"
                            icon="el-icon-edit"
                            @click="handleUpdate(scope.row)"
                            v-hasPermi="['market:message:edit']"
                    >修改
                    </el-button>
                    <el-button
                            size="small"
                            type="text"
                            icon="el-icon-delete"
                            @click="handleDelete(scope.row)"
                            v-hasPermi="['market:message:remove']"
                    >删除
                    </el-button>
                </template>
            </el-table-column>
        </el-table>

        <pagination
                v-show="total>0"
                :total="total"
                :page.sync="queryParams.pageNum"
                :limit.sync="queryParams.pageSize"
                @pagination="getList"
        />

        <!-- 添加或修改系统消息对话框 -->
        <el-dialog :title="title" v-model="open" width="1000px" append-to-body>
            <el-form ref="form" :model="form" :rules="rules" label-width="80px">
                <el-form-item label="消息主题" prop="subject">
                    <el-input v-model="form.subject" placeholder="请输入消息主题"/>
                </el-form-item>
                <el-form-item label="消息内容" prop="content">
                    <editor v-model="form.content" :min-height="400"/>
                </el-form-item>
                <el-form-item label="消息类型" prop="type">
                    <el-select v-model="form.type" class="m-2" placeholder="请选择消息可以给谁看">
                        <el-option
                                v-for="item in typeOptions"
                                :key="item.type"
                                :label="item.detail"
                                :value="item.type"
                        />
                    </el-select>
                </el-form-item>
            </el-form>
            <div slot="footer" class="dialog-footer">
                <el-button type="primary" @click="submitForm">确 定</el-button>
                <el-button @click="cancel">取 消</el-button>
            </div>
        </el-dialog>
    </div>
</template>

<script>
import {listMessageVo, getMessage, delMessage, addMessage, updateMessage} from "@/api/market/message";

export default {
    name: "Message",
    data() {
        return {
            // 遮罩层
            loading: true,
            // 选中数组
            ids: [],
            // 非单个禁用
            single: true,
            // 非多个禁用
            multiple: true,
            // 显示搜索条件
            showSearch: true,
            // 总条数
            total: 0,
            // 系统消息表格数据
            messageList: [],
            // 弹出层标题
            title: "",
            // 是否显示弹出层
            open: false,
            // 查询参数
            queryParams: {
                pageNum: 1,
                pageSize: 10,
                isDeleted: null,
                senderId: null,
                editorId: null,
                isPublish: null,
                content: null,
                subject: null,
                type: null
            },
            // 表单参数
            form: {},
            // 表单校验
            rules: {
                createTime: [
                    {required: true, message: "创建时间不能为空", trigger: "blur"}
                ],
                updateTime: [
                    {required: true, message: "更新时间不能为空", trigger: "blur"}
                ],
                editorId: [
                    {required: true, message: "消息编辑者不能为空", trigger: "blur"}
                ],
                isPublish: [
                    {required: true, message: "是否发布不能为空", trigger: "blur"}
                ],
                content: [
                    {required: true, message: "消息内容不能为空", trigger: "blur"}
                ],
                subject: [
                    {required: true, message: "消息主题不能为空", trigger: "blur"}
                ],
            },
            typeOptions: [
                {type: 0, detail: "给所有普通用户看"},
                {type: 1, detail: "给学校管理员看"},
                {type: 2, detail: "给系统管理员看"}
            ]
        };
    },
    created() {
        this.getList();
    },
    methods: {
        /** 查询系统消息列表 */
        getList() {
            this.loading = true;
            listMessageVo(this.queryParams).then(response => {
                this.messageList = response.rows;
                for (let i = 0; i < this.messageList.length; i++) {
                    this.messageList[i].isPublish = this.messageList[i].isPublish == 0 ? false : true;
                }
                // console.log("this.messageList:" + JSON.stringify(this.messageList));
                this.total = response.total;
                this.loading = false;
            });
        },
        // 取消按钮
        cancel() {
            this.open = false;
            this.reset();
        },
        // 表单重置
        reset() {
            this.form = {};
        },
        /** 搜索按钮操作 */
        handleQuery() {
            this.queryParams.pageNum = 1;
            this.getList();
        },
        /** 重置按钮操作 */
        resetQuery() {
            this.resetForm("queryForm");
            this.handleQuery();
        },
        // 多选框选中数据
        handleSelectionChange(selection) {
            this.ids = selection.map(item => item.id)
            this.single = selection.length !== 1
            this.multiple = !selection.length
        },
        /** 新增按钮操作 */
        handleAdd() {
            this.reset();
            this.open = true;
            this.title = "添加系统消息";
        },
        /** 修改按钮操作 */
        handleUpdate(row) {
            this.reset();
            const id = row.id || this.ids
            getMessage(id).then(response => {
                this.form = response.data;
                this.open = true;
                this.title = "修改系统消息";
            });
        },
        /** 提交按钮 */
        submitForm() {
            this.$refs["form"].validate(valid => {
                if (valid) {
                    if (this.form.id != null) {
                        updateMessage(this.form).then(response => {
                            this.$modal.msgSuccess("修改成功");
                            this.open = false;
                            this.getList();
                        });
                    } else {
                        addMessage(this.form).then(response => {
                            this.$modal.msgSuccess("新增成功");
                            this.open = false;
                            this.getList();
                        });
                    }
                }
            });
        },
        /** 删除按钮操作 */
        handleDelete(row) {
            const ids = row.id || this.ids;
            this.$modal.confirm('是否确认删除系统消息编号为"' + ids + '"的数据项？').then(function () {
                return delMessage(ids);
            }).then(() => {
                this.getList();
                this.$modal.msgSuccess("删除成功");
            }).catch(() => {
            });
        },
        /** 导出按钮操作 */
        handleExport() {
            this.download('market/message/export', {
                ...this.queryParams
            }, `message_${new Date().getTime()}.xlsx`)
        },
        /**
         * 修改消息的发布状态
         */
        updatePublishStatus(row) {
            let text = row.isPublish == true ? "启用" : "停用";
            this.$modal.confirm('确认要' + text + '吗?').then(function () {
                let update = {id: row.id, isPublish: row.isPublish == true ? 1 : 0};
                updateMessage(update).then(r => {
                    this.$modal.msgSuccess(text + "成功");
                }).catch(function () {
                    this.$modal.msgSuccess(text + "失败 ");
                })
            });
        },
        /**
         * 日期格式化
         */
        createTimeFormatter(row) {
            return new Date(row.createTime).toLocaleString();
        },
        updateTimeFormatter(row) {
            return new Date(row.updateTime).toLocaleString();
        }
    }
};
</script>
